Synthesis of TEMPO functionalized polyimides by A₂+B₃ polymerization

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  • Nabae Yuta
    Department of Organic and Polymeric Materials, Tokyo Institute of Technology
  • Mikuni Masatomo
    Department of Organic and Polymeric Materials, Tokyo Institute of Technology
  • Hayakawa Teruaki
    Department of Organic and Polymeric Materials, Tokyo Institute of Technology
  • Kakimoto Masa-aki
    Department of Organic and Polymeric Materials, Tokyo Institute of Technology

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タイトル別名
  • Synthesis of TEMPO Functionalized Polyimides by A<sub>2</sub> + B<sub>3</sub> polymerization

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Three different polymerization methods were studied for the A2 + B3 polymerization to provide a TEMPO functionalized polyimides. The one-pot polymerization/imidization and the precipitation polymerization provided a microporous polyimide and a spherical polyimide, respectively; however, the functionalization of the terminals was difficult. In contrast, the solution polymerization with a drop-wise feeding method provided a hyperbranched polyimides and the terminals have been successfully functionalized with TEMPO by the in-situ end-capping reaction. This polymerization and end-capping method will be applicable for the introduction of other various functionalities and might result in the development of various novel polyimide materials.

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